Year	PPG (DOD, current US$)
1970	2239058180.3
1971	2555817127.0999994
1972	2945554070.6999993
1973	3726292736.300001
1974	5287175237.3
1975	6414747290.400001
1976	7323338024.400001
1977	9738179093.300001
1978	11712886261.4
1979	13988166456.699999
1980	16736618352.299997
1981	20117143883.899998
1982	23289978812.2
1983	25705755345.299995
1984	28252268553.899998
1985	34001277598.800007
1986	39643807740.3
1987	47610524097.99999
1988	48376366132.50001
1989	50432658427.7
1990	55678628465.9
1991	57708399622.5
1992	58571293522.90001
1993	59632715943.9
1994	62363140799.6
1995	64284284079.5
1996	63569455848.799995
1997	60297997969.3
1998	65475394206.7
1999	57944941680.00001
2000	58066916001.20001
2001	55590549056.9
2002	60940828791.200005
2003	67393466797.50001
2004	67930871468.8
2005	65057033339.90001
2006	50965676280.1
2007	55721230401.200005
2008	63174103444.80001
2009	66179449688.5
2010	61727797696.59999
2011	64360023389
2012	69978826117.79999
2013	78523772907.90001
2014	84750846803.79999
2015	88847457510.10002
2016	92658792500.40001
2017	101710251933.89998
2018	105535824771.9
2019	111203344920.1
2020	121730519845.8
2021	121378845848.7
2022	120941007431.00003